.header{
    height: 700px;
}
.header .banner{
    height: 700px;
    width: 100%;
    overflow: hidden;
    background-image: url(../images/newsbanner.jpg);
    background-position: center;
}
.header .banner .item_box{
    width: 1230px;
    height: 450px;
    margin: 150px auto;
    overflow: hidden;
}
.header .banner .item_box .banner_item{
    display: inline-block;
    width: 400px;
    height: 450px;
    background-color: rgba(48, 48, 48,.7);
    margin-right: 10px;
    border-radius: 10px;
    padding: 20px;
    vertical-align: top;
}
.header .banner .item_box .banner_item a{
    font-size: 20px;
    color: rgb(255, 255, 255);
    line-height: 30px;
}
.header .banner .item_box .banner_item:last-child{
    margin: 0;
}
.header .banner .item_box .banner_item .img_box{
    width: 360px;
    height: 180px;
    margin-bottom: 20px;
    overflow: hidden;
}
.header .banner .item_box .banner_item img{
    height: 100%;
    transition: all 200ms ease;
}
.header .banner .item_box .banner_item img:hover{
    transform: scale(1.1);
}
.container{
    width: 100%;
    background: url(../images/bg0.jpg) no-repeat bottom;
    background-color: #f0f0f0;
    padding-top: 10px;
    padding-bottom: 200px;
}
.container .container_btn{
    width: 70%;
    margin: 50px auto;
}
.container .container_btn button{
    padding: 10px 60px;
    margin-right: 50px;
    border: 0;
    background-color: #ccc;
    color: #000;
    border-radius: 5px;
    cursor: pointer;
}
.container .container_btn button:hover,
.container .container_btn .btn_active{
    background-color: #333;
    color: #f7d2af;
}
.container .content{
    width: 70%;
    margin: 0 auto;
}
.container .content ul{
    display: none;
}
.container .content .active{
    display: block;
}
.container .content ul li{
    padding: 20px;
    border-radius: 10px;
    background-color: #fff;
    margin-top: 10px;
    width: 100%;
    height: 190px;
}
.container .content ul li:hover{
    box-shadow: 0 0 10px 10px rgba(100, 100, 100, 0.1);
}
.container .content ul li span{
    display: inline-block;
    width: calc(100% - 370px);
    margin-left: 50px;
    vertical-align: top;
    font-size: 25px;
}
